Toilet water tank press switch — Model 49 drain valve button Replacement for Twyford / Siamp Optima Restore reliable flushing and a worn or broken press control with this Model 49 drain valve button designed specifically for Twyford and Siamp Optima cisterns. The unit operates the cistern drain valve from the of the tank, providing dependable flush actuation and a clean finish. Key benefits Restores full flush functionality quickly — replaces faulty or stuck press switches to get your toilet working again. Designed for direct compatibility with Twyford and Siamp Optima cisterns, reducing fitment issues and installation time. Clean, functional appearance — keeps the cistern neat and maintains original operation and user experience. What it does Acts as the mounted press switch for the toilet water tank, transferring user input to the drain valve mechanism. Replaces the worn or damaged Model 49 drain valve button to ensure consistent flush activation and water release. Key attributes Compatibility: Specifically for Twyford and Siamp Optima toilet cisterns; intended as a direct replacement for Model 49 drain valve buttons. Functionality: press switch that actuates the cistern drain valve. Model/Identification: Model 49 drain valve button replacement for Twyford/Siamp Optima. Build: Engineered to meet the operational requirements of the original fitting for reliable performance and repeated use. Performance: Restores correct flush operation and consistent actuation of the drain valve. Easy installation Designed as a dropin replacement for original Model 49 press fittings in compatible cisterns. Simple swapout procedure returns the toilet to normal operation with minimal downtime. (Follow manufacturer instructions for safe installation and shutoff of water supply before servicing.) Use cases Home bathroom : a cracked, jammed, or unresponsive press button on a Twyford or Siamp Optima cistern to restore normal flushing in a family bathroom. Commercial or hospitality maintenance: Quick replacement during routine maintenance in offices, hotels, or public restrooms where Twyford or Siamp Optima fittings are used. Property refurbishment: Use when upgrading or restoring period bathrooms fitted with Twyford/Siamp Optima cisterns to retain authentic look and function. Why choose this replacement Matches the original Model 49 form and function for predictable compatibility with Twyford and Siamp Optima cisterns. Minimizes downtime and service effort by providing a purposebuilt replacement designed for these brands and models. Notes Confirm compatibility with your cistern model (Twyford or Siamp Optima) before . If unsure about fitment or installation, consult product documentation or a qualified technician.